"Screening with Persuasion" by Dirk Bergemann, Tibor Heumann et al.
 

Document Type

Discussion Paper

Publication Date

3-6-2025

CFDP Number

2338R3

CFDP Revision Date

03/06/2025

CFDP Pages

63

Journal of Economic Literature (JEL) Code(s)

D44, D47, D83, D84

Abstract

We analyze a nonlinear pricing model where the seller controls both product pricing (screening) and buyer information about their own values (persuasion).

We prove that the optimal mechanism always consists of finitely many signals and items, even with a continuum of buyer values. The seller optimally pools buyer values and reduces product variety to minimize informational rents.

We show that value pooling is optimal even for finite value distributions if their entropy exceeds a critical threshold. We also provide sufficient conditions under which the optimal menu restricts offering to a single item.

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